19191238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{6659}}^1$

素因数の和:6803

約数の個数: 16

約数和(自身を含む): 31648320

約数和(自身を除く): 12457082

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 6659, 13318, 73249, 146498, 872329, 1744658, 9595619, 19191238]

約数ペア:

[(1, 19191238), (2, 9595619), (11, 1744658), (22, 872329), (131, 146498), (262, 73249), (1441, 13318), (2882, 6659)]